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Lin X, Yan H, Zhao L, Duan N, Wang Z, Wu S. Hydrogel-integrated sensors for food safety and quality monitoring: Fabrication strategies and emerging applications. Crit Rev Food Sci Nutr 2024; 64:6395-6414. [PMID: 36660935 DOI: 10.1080/10408398.2023.2168619] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Food safety is a global issue in public hygiene. The accurate, sensitive, and on-site detection of various food contaminants performs significant implications. However, traditional methods suffer from the time-consuming and professional operation, restricting their on-site application. Hydrogels with the merits of highly porous structure, high biocompatibility, good shape-adaptability, and stimuli-responsiveness offer a promising biomaterial to design sensors for ensuring food safety. This review describes the emerging applications of hydrogel-based sensors in food safety inspection in recent years. In particular, this study elaborates on their fabrication strategies and unique sensing mechanisms depending on whether the hydrogel is stimuli-responsive or not. Stimuli-responsive hydrogels can be integrated with various functional ligands for sensitive and convenient detection via signal amplification and transduction; while non-stimuli-responsive hydrogels are mainly used as solid-state encapsulating carriers for signal probe, nanomaterial, or cell and as conductive media. In addition, their existing challenges, future perspectives, and application prospects are discussed. These practices greatly enrich the application scenarios and improve the detection performance of hydrogel-based sensors in food safety detection.
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Affiliation(s)
- Xianfeng Lin
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Han Yan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Lehan Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Nuo Duan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, China
| | - Shijia Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, China
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2
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Gao T, Zhao H, Wang L, Song D, Zhao X. Preparation and characterisation of kaempferol composite carrier solid dispersion: evaluation of its application in preventing soybean oil spoilage. Nat Prod Res 2024:1-8. [PMID: 38597177 DOI: 10.1080/14786419.2024.2338811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 03/24/2024] [Indexed: 04/11/2024]
Abstract
Kaempferol (KPF) can be used as a natural antioxidant and food additive in food processing. However, the poor solubility of KPF limited its bioavailability and application. In order to improve the solubility of KPF, kaempferol composite carrier solid dispersion (KPF-CC-SD) was prepared and the process was optimised. When the ratio of KPF: CA (citric acid): Soluplus reached 1:4:6, the dissolution rate was the highest, and the sample was stable over 12 weeks. The characterisation results indicated that KPF-CC-SD exists in an amorphous form. Peroxidation value and acid value of soybean oil showed that the preservation effect of KPF-CC-SD was better than that of KPF, and the inhibition effect of KPF-CC-SD on acid value was better than that of butylated hydroxytoluene. In conclusion, KPF-CC-SD can change the solubility, crystal form and spatial stability of KPF through the carrier, which has a great application prospect in the field of food preservation.
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Affiliation(s)
- Tai Gao
- Faculty of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China
| | - Honghui Zhao
- Faculty of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China
| | - Lingling Wang
- Faculty of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China
| | - Danni Song
- Faculty of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China
| | - Xu Zhao
- Faculty of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China
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3
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Li Y, Zhang H, Qi Y, You C. Recent Studies and Applications of Hydrogel-Based Biosensors in Food Safety. Foods 2023; 12:4405. [PMID: 38137209 PMCID: PMC10742584 DOI: 10.3390/foods12244405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
Food safety has increasingly become a human health issue that concerns all countries in the world. Some substances in food that can pose a significant threat to human health include, but are not limited to, pesticides, biotoxins, antibiotics, pathogenic bacteria, food quality indicators, heavy metals, and illegal additives. The traditional methods of food contaminant detection have practical limitations or analytical defects, restricting their on-site application. Hydrogels with the merits of a large surface area, highly porous structure, good shape-adaptability, excellent biocompatibility, and mechanical stability have been widely studied in the field of food safety sensing. The classification, response mechanism, and recent application of hydrogel-based biosensors in food safety are reviewed in this paper. Furthermore, the challenges and future trends of hydrogel biosensors are also discussed.
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Affiliation(s)
- Yuzhen Li
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China; (Y.L.); (H.Z.); (Y.Q.)
- School of Physical Science and Technology, Shanghai Key Laboratory of High-Resolution Electron Microscopy, ShanghaiTech University, Shanghai 201210, China
| | - Hongfa Zhang
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China; (Y.L.); (H.Z.); (Y.Q.)
| | - Yan Qi
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China; (Y.L.); (H.Z.); (Y.Q.)
| | - Chunping You
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China; (Y.L.); (H.Z.); (Y.Q.)
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4
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Roland RM, Bhawani SA, Ibrahim MNM. Synthesis of molecularly imprinted polymer by precipitation polymerization for the removal of ametryn. BMC Chem 2023; 17:165. [PMID: 38001543 PMCID: PMC10668388 DOI: 10.1186/s13065-023-01084-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Ametryn (AME) is a triazine herbicide which is mainly used to kill unwanted herbs in crops. Despite its importance in agriculture, the usage of AME also poses a risk to humans and the ecosystem due to its toxicity. Hence, it is important to develop a method for the effective removal of AME from various water sources which is in the form of molecular imprinting polymer (MIP). In this study, MIP of AME was synthesized via precipitation polymerization using AME as the template molecule with three different functional monomers including methacrylic acid (MAA), acrylamide (AAm) and 2-vinylpyridine (2VP). The three different synthesized polymers namely MIP (MAA), MIP (AAm) and MIP (2VP) were characterized using Fourier Infra-red spectroscopy (FTIR) and Field Emission Electron Microscopy (FESEM). Then, the batch binding study was carried out using all three MIPs in which MIP (MAA) attained the highest rebinding efficiency (93.73%) among the synthesized polymers. The Energy-Dispersive X-ray spectroscopy (EDX) analysis, Brunauer-Emmett-Teller (BET) analysis and thermogravimetric analysis (TGA) were also conducted on the selected MIP (MAA). Adsorption studies including initial concentration, pH and polymer dosage were also conducted on MIP (MAA). In this study, the highest adsorption efficiency was attained at the optimum condition of 6 ppm of AME solution at pH 7 with 0.1 g of MIP (MAA). MIP (MAA) was successfully applied to remove AME from spiked distilled water, tap water and river water samples with removal efficiencies of 95.01%, 90.24% and 88.37%, respectively.
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Affiliation(s)
- Rachel Marcella Roland
- Faculty of Resource Science and Technology, Universiti Malaysia Sarawak (UNIMAS), 94300, Kota Samarahan, Sarawak, Malaysia
| | - Showkat Ahmad Bhawani
- Faculty of Resource Science and Technology, Universiti Malaysia Sarawak (UNIMAS), 94300, Kota Samarahan, Sarawak, Malaysia.
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5
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Zelikovich D, Dery L, Sagi-Cohen H, Mandler D. Imprinting of nanoparticles in thin films: Quo Vadis? Chem Sci 2023; 14:9630-9650. [PMID: 37736620 PMCID: PMC10510851 DOI: 10.1039/d3sc02178e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 08/01/2023] [Indexed: 09/23/2023] Open
Abstract
Nanomaterials, and especially nanoparticles, have been introduced to almost any aspect of our lives. This has caused increasing concern as to their toxicity and adverse effects on the environment and human health. The activity of nanoparticles, including their nanotoxicity, is not only a function of the material they are made of but also their size, shape, and surface properties. It is evident that there is an unmet need for simple approaches to the speciation of nanoparticles, namely to monitor and detect them based on their properties. An appealing method for such speciation involves the imprinting of nanoparticles in soft matrices. The principles of imprinting nanoparticles originate from the molecularly imprinted polymer (MIP) approach. This review summarizes the current status of this emerging field, which bridges between the traditional MIP approach and the imprinting of larger entities such as viruses and bacteria. The concepts of nanoparticle imprinting and the requirement of both physical and chemical matching between the nanoparticles and the matrix are discussed and demonstrated.
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Affiliation(s)
- Din Zelikovich
- Institute of Chemistry, The Hebrew University of Jerusalem Jerusalem 9190401 Israel
| | - Linoy Dery
- Institute of Chemistry, The Hebrew University of Jerusalem Jerusalem 9190401 Israel
| | - Hila Sagi-Cohen
- Institute of Chemistry, The Hebrew University of Jerusalem Jerusalem 9190401 Israel
| | - Daniel Mandler
- Institute of Chemistry, The Hebrew University of Jerusalem Jerusalem 9190401 Israel
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6
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Mintz Hemed N, Leal-Ortiz S, Zhao ET, Melosh NA. On-Demand, Reversible, Ultrasensitive Polymer Membrane Based on Molecular Imprinting Polymer. ACS NANO 2023; 17:5632-5643. [PMID: 36913954 PMCID: PMC10062346 DOI: 10.1021/acsnano.2c11618] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
The development of in vivo, longitudinal, real-time monitoring devices is an essential step toward continuous, precision health monitoring. Molecularly imprinted polymers (MIPs) are popular sensor capture agents that are more robust than antibodies and have been used for sensors, drug delivery, affinity separations, assays, and solid-phase extraction. However, MIP sensors are typically limited to one-time use due to their high binding affinity (>107 M-1) and slow-release kinetics (<10-4 μM/sec). To overcome this challenge, current research has focused on stimuli-responsive MIPs (SR-MIPs), which undergo a conformational change induced by external stimuli to reverse molecular binding, requiring additional chemicals or outside stimuli. Here, we demonstrate fully reversible MIP sensors based on electrostatic repulsion. Once the target analyte is bound within a thin film MIP on an electrode, a small electrical potential successfully releases the bound molecules, enabling repeated, accurate measurements. We demonstrate an electrostatically refreshed dopamine sensor with a 760 pM limit of detection, linear response profile, and accuracy even after 30 sensing-release cycles. These sensors could repeatedly detect <1 nM dopamine released from PC-12 cells in vitro, demonstrating they can longitudinally measure low concentrations in complex biological environments without clogging. Our work provides a simple and effective strategy for enhancing the use of MIPs-based biosensors for all charged molecules in continuous, real-time health monitoring and other sensing applications.
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Affiliation(s)
- Nofar Mintz Hemed
- Department
of Materials Science and Engineering, Stanford
University, Stanford, California 94305, United States
| | - Sergio Leal-Ortiz
- Department
of Psychiatry and Behavioral Sciences, Stanford
University, Stanford, California 94304, United States
| | - Eric T. Zhao
- Department
of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Nicholas A. Melosh
- Department
of Materials Science and Engineering, Stanford
University, Stanford, California 94305, United States
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7
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Wright KM, Bowyer MC, McCluskey A, Holdsworth CI. Molecular Imprinting of Benzylpiperazine: A Comparison of the Self-Assembly and Semi-Covalent Approaches. Int J Mol Sci 2023; 24:ijms24065117. [PMID: 36982195 PMCID: PMC10048891 DOI: 10.3390/ijms24065117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/02/2023] [Accepted: 03/04/2023] [Indexed: 03/30/2023] Open
Abstract
Molecularly imprinted polymers (MIPs) for benzylpiperazine (BZP, 1), an illicit designer drug, were developed by using both self-assembly and semi-covalent approaches. From an array of potential functional monomers (FMs) and using a combination of pre-synthetic interaction studies (by molecular modelling and NMR analysis) and binding assays, the highest performing self-assembly 1-MIPs were confirmed to result from methacrylic acid (7) as FM, ethylene glycol dimethacrylate (EGDMA) or trimethylolpropane trimethacrylate (TRIM) as crosslinkers and chloroform as the porogen and rebinding solvent at template (T): FM ratios of 1:1 and 1:2, giving imprinting factors (IF) 3 to 7. The semi-covalent 1-MIPs were designed using benzylpiperazine (4-vinylphenyl) carbamate (16) as the template-monomer adduct in combination with either EDGMA or TRIM. Our comparative analysis showed the semi-covalent polymers to have a stronger affinity for 1 (significantly lower Kd values and higher IFs) and faster uptake than the self-assembly systems. Both approaches have comparable cross-reactivity: marginal to low against cocaine (17) and morphine (18) and high against ephedrine (19) and phenylpiperazine (20). They also have comparable selectivity: highly selective towards 1 against 17, moderate against 18 and non-selective against 19. EGDMA-based self-assembly MIPs displayed a greater imprinting effect (higher IFs and NIP-to-MIP Kd ratios) than TRIM-based MIPs, while the TRIM-based semi-covalent MIP outperformed its EGDMA-based equivalent. By virtue of its modest selectivity against the test illicit drugs, 1-MIPs could potentially be used as a dummy MIP for the broad-based capture and enrichment of illicit drug blends for subsequent laboratory analysis.
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Affiliation(s)
- Kathleen M Wright
- Sanitarium Health Food Company, 1 Sanitarium Drive, Berkeley Vale, NSW 2261, Australia
- School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Michael C Bowyer
- Academic Division, University of Newcastle, Ourimbah, NSW 2258, Australia
| | - Adam McCluskey
- School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Clovia I Holdsworth
- School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
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8
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Torrini F, Scarano S, Palladino P, Minunni M. Advances and perspectives in the analytical technology for small peptide hormones analysis: A glimpse to gonadorelin. J Pharm Biomed Anal 2023; 228:115312. [PMID: 36858006 DOI: 10.1016/j.jpba.2023.115312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/07/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023]
Abstract
In the last twenty years, we have witnessed an important evolution of bioanalytical approaches moving from conventional lab bench instrumentation to simpler, easy-to-use techniques to deliver analytical responses on-site, with reduced analysis times and costs. In this frame, affinity reagents production has also jointly advanced from natural receptors to biomimetic, abiotic receptors, animal-free produced. Among biomimetic ones, aptamers, and molecular imprinted polymers (MIPs) play a leading role. Herein, our motivation is to provide insights into the evolution of conventional and innovative analytical approaches based on chromatography, immunochemistry, and affinity sensing referred to as peptide hormones. Indeed, the analysis of peptide hormones represents a current challenge for biomedical, pharmaceutical, and anti-doping analysis. Specifically, as a paradigmatic example, we report the case of gonadorelin, a neuropeptide that in recent years has drawn a lot of attention as a therapeutic drug misused in doping practices during sports competitions.
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Affiliation(s)
- Francesca Torrini
- Department of Chemistry 'Ugo Schiff', University of Florence, 50019 Sesto Fiorentino, FI, Italy.
| | - Simona Scarano
- Department of Chemistry 'Ugo Schiff', University of Florence, 50019 Sesto Fiorentino, FI, Italy
| | - Pasquale Palladino
- Department of Chemistry 'Ugo Schiff', University of Florence, 50019 Sesto Fiorentino, FI, Italy
| | - Maria Minunni
- Department of Chemistry 'Ugo Schiff', University of Florence, 50019 Sesto Fiorentino, FI, Italy.
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9
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Application of Molecularly Imprinted Electrochemical Biomimetic Sensors for Detecting Small Molecule Food Contaminants. Polymers (Basel) 2022; 15:polym15010187. [PMID: 36616536 PMCID: PMC9824611 DOI: 10.3390/polym15010187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/26/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
Environmental chemical contaminants in food seriously impact human health and food safety. Successful detection methods can effectively monitor the potential risk of emerging chemical contaminants. Among them, molecularly imprinted polymers (MIPs) based on electrochemical biomimetic sensors overcome many drawbacks of conventional detection methods and offer opportunities to detect contaminants with simple equipment in an efficient, sensitive, and low-cost manner. We searched eligible papers through the Web of Science (2000-2022) and PubMed databases. Then, we introduced the sensing mechanism of MIPs, outlined the sample preparation methods, and summarized the MIP characterization and performance. The classification of electrochemistry, as well as its advantages and disadvantages, are also discussed. Furthermore, the representative application of MIP-based electrochemical biomimetic sensors for detecting small molecular chemical contaminants, such as antibiotics, pesticides, toxins, food additives, illegal additions, organic pollutants, and heavy metal ions in food, is demonstrated. Finally, the conclusions and future perspectives are summarized and discussed.
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10
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Bilge S, Dogan-Topal B, Gürbüz MM, Yücel A, Sınağ A, Ozkan SA. Recent advances in electrochemical sensing of cocaine: A review. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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11
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Isomer analysis by mass spectrometry in clinical science. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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12
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El-Beshlawy M, Arida H. New Miniaturized Disposable Screen-Printed Microchip Integrated with Molecularly Imprinted Polymer for Metronidazole Benzoate Drug Detection. MICROMACHINES 2022; 13:2107. [PMID: 36557405 PMCID: PMC9781271 DOI: 10.3390/mi13122107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/20/2022] [Accepted: 11/27/2022] [Indexed: 06/17/2023]
Abstract
A novel potentiometric microelectrode incorporating a molecularly imprinted polymer (MIP) was fabricated, characterized, and successfully applied to the recognition and quantification of the drug, metronidazole benzoate. The elaborated MIP-based sensor was realized by thermal polarization, using metronidazole benzoate as the template material, 1-vinyl-2-pyrrolidine (VP) as a functional monomer, and ethylene glycol dimethacrylate (EGDMA) as the cross-linking agent in the presence of benzoyl peroxide as the initiator. The MIP-based sensor exhibited a super-Nernstian response (61.5 ± 0.5, mV/decade) covering the linear concentration range of 1 × 10-8-1 × 10-3 mole L-1 of metronidazole benzoate with a fast response time (≤10, s.) and detection limit of 7 × 10-9 mole L-1. The microchip showed high selectivity toward the template drug molecule in the presence of many investigated interfering species. The chip electrode was successfully used in the quantification of metronidazole benzoate in some real biological samples with high accuracy (recovery, 95.4%) and precision (RSD, 1.5). Moreover, the merits offered by the elaborated MIP-based MB microchip assembly include small size, miniaturization, integration, and consequently, automation feasibility.
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Affiliation(s)
- Menna El-Beshlawy
- Department of Chemistry, Faculty of Women, Ain Shams University, Cairo 11566, Egypt
| | - Hassan Arida
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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14
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Applications of molecularly imprinted polymers and perspectives for their use as food quality trackers. Chem 2022. [DOI: 10.1016/j.chempr.2022.05.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Azimi S, Docoslis A. Recent Advances in the Use of Surface-Enhanced Raman Scattering for Illicit Drug Detection. SENSORS (BASEL, SWITZERLAND) 2022; 22:3877. [PMID: 35632286 PMCID: PMC9143835 DOI: 10.3390/s22103877] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/10/2022] [Accepted: 05/16/2022] [Indexed: 02/07/2023]
Abstract
The rapid increase in illicit drug use and its adverse health effects and socio-economic consequences have reached alarming proportions in recent years. Surface-enhanced Raman scattering (SERS) has emerged as a highly sensitive analytical tool for the detection of low dosages of drugs in liquid and solid samples. In the present article, we review the state-of-the-art use of SERS for chemical analysis of illicit drugs in aqueous and complex biological samples, including saliva, urine, and blood. We also include a review of the types of SERS substrates used for this purpose, pointing out recent advancements in substrate fabrication towards quantitative and qualitative detection of illicit drugs. Finally, we conclude by providing our perspective on the field of SERS-based drug detection, including presently faced challenges. Overall, our review provides evidence of the strong potential of SERS to establish itself as both a laboratory and in situ analytical method for fast and sensitive drug detection and identification.
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Affiliation(s)
| | - Aristides Docoslis
- Department of Chemical Engineering, Queen’s University, Kingston, ON K7L 3N6, Canada;
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16
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MIP-Based Portable Sensors for the Simultaneous Analysis of Multiple Food Additives. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02273-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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17
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Xiong J, Zhang H, Qin L, Zhang S, Cao J, Jiang H. Magnetic Fluorescent Quantum Dots Nanocomposites in Food Contaminants Analysis: Current Challenges and Opportunities. Int J Mol Sci 2022; 23:ijms23084088. [PMID: 35456904 PMCID: PMC9028821 DOI: 10.3390/ijms23084088] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/05/2022] [Accepted: 04/05/2022] [Indexed: 12/16/2022] Open
Abstract
The presence of food contaminants can cause foodborne illnesses, posing a severe threat to human health. Therefore, a rapid, sensitive, and convenient method for monitoring food contaminants is eagerly needed. The complex matrix interferences of food samples and poor performance of existing sensing probes bring significant challenges to improving detection performances. Nanocomposites with multifunctional features provide a solution to these problems. The combination of the superior characteristics of magnetic nanoparticles (MNPs) and quantum dots (QDs) to fabricate magnetic fluorescent quantum dots (MNPs@QDs) nanocomposites are regarded as an ideal multifunctional probe for food contaminants analysis. The high-efficiency pretreatment and rapid fluorescence detection are concurrently integrated into one sensing platform using MNPs@QDs nanocomposites. In this review, the contemporary synthetic strategies to fabricate MNPs@QDs, including hetero-crystalline growth, template embedding, layer-by-layer assembly, microemulsion technique, and one-pot method, are described in detail, and their advantages and limitations are discussed. The recent advances of MNPs@QDs nanocomposites in detecting metal ions, foodborne pathogens, toxins, pesticides, antibiotics, and illegal additives are comprehensively introduced from the perspectives of modes and detection performances. The review ends with current challenges and opportunities in practical applications and prospects in food contaminants analysis, aiming to promote the enthusiasm for multifunctional sensing platform research.
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Affiliation(s)
- Jincheng Xiong
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, Beijing 100193, China; (J.X.); (H.Z.); (L.Q.); (S.Z.)
| | - Huixia Zhang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, Beijing 100193, China; (J.X.); (H.Z.); (L.Q.); (S.Z.)
| | - Linqian Qin
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, Beijing 100193, China; (J.X.); (H.Z.); (L.Q.); (S.Z.)
| | - Shuai Zhang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, Beijing 100193, China; (J.X.); (H.Z.); (L.Q.); (S.Z.)
| | - Jiyue Cao
- Department of Veterinary Pharmacology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China;
| | - Haiyang Jiang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, Beijing 100193, China; (J.X.); (H.Z.); (L.Q.); (S.Z.)
- Correspondence: ; Tel.: +86-010-6273-4478; Fax: +86-010-6273-1032
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Khojasteh FT, Bazmandegan-Shamili A. Preparation of magnetic molecularly imprinted polymer based on multiwalled carbon nanotubes for selective dispersive micro-solid phase extraction of fenitrothion followed by ion mobility spectrometry analysis. J Sep Sci 2022; 45:1590-1599. [PMID: 35191593 DOI: 10.1002/jssc.202100925] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 11/11/2022]
Abstract
A novel molecularly imprinted polymer based on magnetic multi-walled carbon nanotubes was fabricated and applied for selective dispersive micro-solid phase extraction of fenitrothion prior its determination by ion mobility spectrometry. The composite was synthesized using magnetic multi-walled carbon nanotubes as the support. Methacrylic acid was used as the functional monomer, fenitrothion as the template, ethylene glycol dimethacrylate as the cross-linker and 2,2-azoisobutyronitrile as the initiator. The resultant polymer was characterized by Fourier transform infrared spectroscopy, X-ray diffraction, field emission scanning electron microscopy, Brunauer-Emmet-Teller analysis, thermogravimetric analysis and vibrating sample magnetometer techniques. Experimental factors affecting the extraction efficiency such as pH and amount of sorbent were evaluated. Under optimum experimental conditions, the developed method displayed the linear range of 5-220 μg L-1 with a detection limit (LOD) of 1.3 μg L-1 . The intra and inter-day relative standard deviations (RSD%) for determination of fenitrothion were 3.6 and 4.7% (n = 6), respectively. Ultimately, the proposed method was used to monitoring of trace amounts of fenitrothion in fruit,vegetable and water samples. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Faezeh Tousi Khojasteh
- Department of Chemistry, Faculty of Sciences, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
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An DY, Pu WR, Wang Y, Xue-Zhang, Huang YP, Liu ZS. Improving sorption performance of a molecularly imprinted monolithic column by doping mesoporous molecular sieve SBA-15. Mikrochim Acta 2022; 189:85. [PMID: 35129695 DOI: 10.1007/s00604-022-05192-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/13/2022] [Indexed: 01/07/2023]
Abstract
For the first time a hybrid molecularly imprinted polymer (MIP) doped with 3-(trimethoxysilyl) propyl methacrylate (γ-MPS)-modified mesoporous molecular sieve SBA-15 for target peptide recognition has been developed. Zinc acrylate and methacrylic acid were used as binary functional monomers, and ethylene dimethacrylate was used as cross-linking agent to prepare an imprinted monolith against Val-Tyr-Ala-Leu-Lys(glutarylation) (VYALKglu). The morphology of the polymers was characterized by scanning electron microscopy, FT-IR spectroscopy, energy dispersive spectroscopy, and 1H NMR. The SBA-15-MPS MIP showed high recovery of 87.1% and the IF of 12.9 for the enrichment of the template peptide. When the template peptide concentration ranged from 5 to 90 μg mL-1, the correlation coefficients (R2) for the calibration function obtained was better 0.999. The limit of detection (LOD, 0.30 μg mL-1) and limit of quantification (LOQ, 1.0 μg mL-1) were achieved for signal-to-noise ratios of 3:1 and 10:1, respectively. When other kinds of synthetic peptides were used as analogs, the selectivity of the SBA-15-MPS MIP was much better than the SBA-15-MPS NIP (without template peptides) with relative selectivity coefficients of 52.8-265. In contrast, little quinolones and biogenic amines are adsorbed with the SBA-15-MPS MIP. The SBA-15-MPS MIP could enrich VYALKglu from spiked histone digestion with the average recovery of 87.8% and the relative standard deviation (RSD) of 0.99%. As a conclusion, doping of SBA-15 is an effective approach to the improvement of performance of molecularly imprinted monolith.
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Affiliation(s)
- Dong-Yu An
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Wan-Rong Pu
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Yang Wang
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Xue-Zhang
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Yan-Ping Huang
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China.
| | - Zhao-Sheng Liu
- Tianjin Key Laboratory On Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China.
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20
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Disposable carbon nanotube-based antifouling electrochemical sensors for detection of morphine in unprocessed coffee and milk. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2021.115997] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Jiao J, Zhou Z, Tian S, Ren Z. Facile preparation of molecular-imprinted polymers for selective extraction of theophylline molecular from aqueous solution. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Wan L, Gao H, Gao H, Yan G, Wang F, Wang Y, Chen M. Dummy molecularly imprinted solid phase extraction in a nylon membrane filter for analysis of vardenafil in health care products. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106157] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Torrini F, Palladino P, Baldoneschi V, Scarano S, Minunni M. Sensitive 'two-steps' competitive assay for gonadotropin-releasing hormone detection via SPR biosensing and polynorepinephrine-based molecularly imprinted polymer. Anal Chim Acta 2021; 1161:338481. [PMID: 33896555 DOI: 10.1016/j.aca.2021.338481] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 03/25/2021] [Accepted: 04/03/2021] [Indexed: 12/12/2022]
Abstract
The work reports an innovative bioassay for the detection of gonadorelin in urine, a gonadotropin-releasing hormone agonist widely used in fertility medicine and to treat hormonal dysfunctions. Gonadorelin is also a synthetic hormone listed by the World Anti-Doping Agency (WADA) and of interest in anti-doping controls. The main novelty relies on the development of a biocompatible, stable, and low-cost biomimetic receptor alternative to classic antibodies. Starting from norepinephrine monomer, a highly selective and sensitive molecularly imprinted polymer (MIP) was developed and optimized for optical real-time and label-free SPR biosensing. The selectivity has been addressed by testing a series of peptides, from high to low similarity, both in terms of molecular weight and primary sequence. Due to the very low molecular weight of gonadorelin (1182 Da), a 'two-steps' competitive assay was developed. Particular attention has been paid to the design of the competitor and its binding affinity constant towards the MIP, being a key step for the success of the competitive strategy. The SPR assay was first optimized in standard conditions and finally applied to untreated urine samples, achieving the sensitivity required by WADA guidelines. The MIP, tested in parallel with a monoclonal antibody, gave comparable results in terms of affinity constants and selectivity towards possible interfering analytes. However, the biomimetic receptor appears clearly superior in terms of sensitivity and reproducibility. This, together with its preparation simplicity, the extremely low-cost of the monomer and its reusability for hundreds of measurements, make polynorepinephrine-based MIPs powerful rivals to immune-based approaches in the near future for similar applications.
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Affiliation(s)
- Francesca Torrini
- Department of Chemistry "Ugo Schiff", University of Florence, 50019, Sesto Fiorentino (FI), Italy.
| | - Pasquale Palladino
- Department of Chemistry "Ugo Schiff", University of Florence, 50019, Sesto Fiorentino (FI), Italy.
| | - Veronica Baldoneschi
- Department of Chemistry "Ugo Schiff", University of Florence, 50019, Sesto Fiorentino (FI), Italy.
| | - Simona Scarano
- Department of Chemistry "Ugo Schiff", University of Florence, 50019, Sesto Fiorentino (FI), Italy.
| | - Maria Minunni
- Department of Chemistry "Ugo Schiff", University of Florence, 50019, Sesto Fiorentino (FI), Italy.
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Xing X, Yao L, Yan C, Xu Z, Xu J, Liu G, Yao B, Chen W. Recent progress of personal glucose meters integrated methods in food safety hazards detection. Crit Rev Food Sci Nutr 2021; 62:7413-7426. [PMID: 34047213 DOI: 10.1080/10408398.2021.1913990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Development of personal glucose meters (PGMs) for blood glucose monitoring and management by the diabetic patients has been a long history since its first invention in 1968 and commercial application in 1975. The main reasons for its wide acceptance and popularity can be attributed mainly to the easy operation, test-to-result model, low cost, and small volume of sample required for blood glucose concentration test. During past decades, advances in analytical techniques have repurposed the use of PGMs into a general point-of-care testing platform for a variety of non-glucose targets, especially the food hazards. In this review, we summarized the recent published research using PGMs to detect the food safety hazards of mycotoxins, illegal additives, pathogen bacteria, and pesticide and veterinary drug residues detection with PGMs. The progress on PGM-based detection achieved in food safety have been carefully compared and analyzed. Furthermore, the current bottlenecks and challenges for practical applications of PGM for hazards detection in food safety have also been proposed.
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Affiliation(s)
- Xiuguang Xing
- Engineering Research Center of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Li Yao
- Engineering Research Center of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Chao Yan
- Research Center for Biomedical and Health Science, School of Life and Health, Anhui Science & Technology University, Fengyang, China.,Anhui Province Institute of Product Quality Supervision & Inspection, Hefei, China
| | - Zhenlin Xu
- Guangdong Provincial Key Lab of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
| | - Jianguo Xu
- Engineering Research Center of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Guodong Liu
- Research Center for Biomedical and Health Science, School of Life and Health, Anhui Science & Technology University, Fengyang, China
| | - Bangben Yao
- Engineering Research Center of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China.,Anhui Province Institute of Product Quality Supervision & Inspection, Hefei, China
| | - Wei Chen
- Engineering Research Center of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
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Li W, Zhang X, Li T, Ji Y, Li R. Molecularly imprinted polymer-enhanced biomimetic paper-based analytical devices: A review. Anal Chim Acta 2021; 1148:238196. [PMID: 33516379 DOI: 10.1016/j.aca.2020.12.071] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 12/29/2020] [Accepted: 12/30/2020] [Indexed: 02/07/2023]
Abstract
The popularization of paper-based analytical devices (PADs) in analytical science has fostered research on enhancing their analytical performance for accurate and sensitive assays. With their superb recognition capability and structural stability, molecularly imprinted polymers (MIPs) have been extensively employed as biomimetic receptors for capturing target analytes in various complex matrices. The integration of MIPs as recognition elements with PADs (MIP-PADs) has opened new opportunities for advanced analytical devices with elevated selectivity and sensitivity, as well as a shorter assay time and a lower cost. This review covers recent advances in MIP-PAD fabrication and engineering based on multifarious signal transduction systems such as colorimetry, fluorescence, electrochemistry, photoelectrochemistry, and chemiluminescence. The application of MIP-PADs in the fields of biomedical diagnostics, environmental analysis, and food safety monitoring is also reviewed. Further, the advantages, challenges, and perspectives of MIP-PADs are discussed.
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Affiliation(s)
- Wang Li
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Nanjing, 210009, China
| | - Xiaoyue Zhang
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Nanjing, 210009, China
| | - Tingting Li
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Nanjing, 210009, China
| | - Yibing Ji
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Nanjing, 210009, China.
| | - Ruijun Li
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Nanjing, 210009, China.
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26
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Kazemifard N, Ensafi AA, Dehkordi ZS. A review of the incorporation of QDs and imprinting technology in optical sensors – imprinting methods and sensing responses. NEW J CHEM 2021. [DOI: 10.1039/d1nj01104a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This review aims to cover the simultaneous method of using molecularly imprinted technology and quantum dots (QDs) as well as its application in the field of optical sensors.
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Affiliation(s)
- Nafiseh Kazemifard
- Department of Chemistry
- Isfahan University of Technology
- Isfahan 84156-83111
- Iran
| | - Ali A. Ensafi
- Department of Chemistry
- Isfahan University of Technology
- Isfahan 84156-83111
- Iran
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27
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De Rycke E, Trynda A, Jaworowicz M, Dubruel P, De Saeger S, Beloglazova N. Capacitive sensing of an amphetamine drug precursor in aqueous samples: Application of novel molecularly imprinted polymers for benzyl methyl ketone detection. Biosens Bioelectron 2021; 172:112773. [DOI: 10.1016/j.bios.2020.112773] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/24/2020] [Accepted: 10/26/2020] [Indexed: 11/24/2022]
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28
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Lotus seedpod-like molecularly imprinted polymers fabricated by MOF-808 stabilized Pickering emulsion and their specific recognition of hemoglobin. Colloids Surf B Biointerfaces 2021; 197:111446. [DOI: 10.1016/j.colsurfb.2020.111446] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/16/2020] [Accepted: 10/26/2020] [Indexed: 02/04/2023]
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29
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He JX, Pan HY, Xu L, Tang RY. Application of molecularly imprinted polymers for the separation and detection of aflatoxin. JOURNAL OF CHEMICAL RESEARCH 2020. [DOI: 10.1177/1747519820980373] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Aflatoxins are extremely harmful carcinogens to humans and animals. In recent years, attention has been directed toward the application of molecular imprinting polymers for the separation and detection of aflatoxin. In this review, polymerization methods for the preparation of molecular imprinting polymers for aflatoxin detection, such as lump-bulk polymerization, spherical molecular imprinting polymer synthesis, surface-imprinted polymerization, and electropolymerization, are described. The applications of molecular imprinting polymers in solid-phase extraction, biosensors, and the surface-enhanced Raman detection of aflatoxin are also reviewed in this paper.
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Affiliation(s)
- Jian-Xiong He
- Guangzhou Huibiao Testing Technology Center, Guangzhou, P.R. China
| | - Huan-Yu Pan
- Guangzhou Huibiao Testing Technology Center, Guangzhou, P.R. China
| | - Li Xu
- College of Materials and Energy, South China Agricultural University, Guangzhou, P.R. China
| | - Ri-Yuan Tang
- Guangzhou Huibiao Testing Technology Center, Guangzhou, P.R. China
- College of Materials and Energy, South China Agricultural University, Guangzhou, P.R. China
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30
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Silva MS, Tavares APM, de Faria HD, Sales MGF, Figueiredo EC. Molecularly Imprinted Solid Phase Extraction Aiding the Analysis of Disease Biomarkers. Crit Rev Anal Chem 2020; 52:933-948. [DOI: 10.1080/10408347.2020.1843131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Matheus Siqueira Silva
- Laboratory of Toxicant and Drug Analyses, Federal University of Alfenas, Alfenas, Brazil
| | - Ana P. M. Tavares
- BioMark/ISEP, School of Engineering of the Polytechnic School of Porto, Porto, Portugal
- BioMark/UC, Department of Chemical Engineering, Faculty of Sciences and Technology of the University of Coimbra, Coimbra, Portugal
| | - Henrique Dipe de Faria
- Laboratory of Toxicant and Drug Analyses, Federal University of Alfenas, Alfenas, Brazil
| | - Maria Goreti Ferreira Sales
- BioMark/ISEP, School of Engineering of the Polytechnic School of Porto, Porto, Portugal
- BioMark/UC, Department of Chemical Engineering, Faculty of Sciences and Technology of the University of Coimbra, Coimbra, Portugal
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31
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Guo P, Zeng W, Tian S, Chen H, Liu W, Chen C. Quantitative detection of nanomolar drug using surface-enhanced Raman scattering combined with internal standard method and two-step centrifugation method. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105202] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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32
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Molecularly imprinted polymer-based electrochemical sensors for environmental analysis. Biosens Bioelectron 2020; 172:112719. [PMID: 33166805 DOI: 10.1016/j.bios.2020.112719] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/07/2020] [Accepted: 10/10/2020] [Indexed: 12/11/2022]
Abstract
The ever-increasing presence of contaminants in environmental waters is an alarming issue, not only because of their harmful effects in the environment but also because of their risk to human health. Pharmaceuticals and pesticides, among other compounds of daily use, such as personal care products or plasticisers, are being released into water bodies. This release mainly occurs through wastewater since the treatments applied in many wastewater treatment plants are not able to completely remove these substances. Therefore, the analysis of these contaminants is essential but this is difficult due to the great variety of contaminating substances. Facing this analytical challenge, electrochemical sensing based on molecularly imprinted polymers (MIPs) has become an interesting field for environmental monitoring. Benefiting from their superior chemical and physical stability, low-cost production, high selectivity and rapid response, MIPs combined with miniaturized electrochemical transducers offer the possibility to detect target analytes in-situ. In most reports, the construction of these sensors include nanomaterials to improve their analytical characteristics, especially their sensitivity. Moreover, these sensors have been successfully applied in real water samples without the need of laborious pre-treatment steps. This review provides a general overview of electrochemical MIP-based sensors that have been reported for the detection of pharmaceuticals, pesticides, heavy metals and other contaminants in water samples in the past decade. Special attention is given to the construction of the sensors, including different functional monomers, sensing platforms and materials employed to achieve the best sensitivity. Additionally, several parameters, such as the limit of detection, the linear concentration range and the type of water samples that were analysed are compiled.
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Hand RA, Piletska E, Bassindale T, Morgan G, Turner N. Application of molecularly imprinted polymers in the anti-doping field: sample purification and compound analysis. Analyst 2020; 145:4716-4736. [PMID: 32500888 DOI: 10.1039/d0an00682c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The problem posed by anti-doping requirements is one of the great analytical challenges; multiple compound detection at low ng ml-1 levels from complex samples, with requirements for exceptional confidence in results. This review surveys the design, synthesis and application of molecularly imprinted polymers (MIPs) in this field, focusing on the templating of androgenous anabolic steroids (AASs), as the most commonly abused substances, but also other WADA prohibited substances. Commentary on the application of these materials in detection, clean-up and sensing is offered, alongside views on the future of imprinting in this field.
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Affiliation(s)
- Rachel A Hand
- School of Pharmacy, De Montfort University, Leicester, LE2 9BH, UK.
| | - Elena Piletska
- Department of Chemistry, University of Leicester, Leicester, LE1 7RH, UK
| | - Thomas Bassindale
- Department of Chemistry and Forensic Science, Sheffield Hallam University, Sheffield, S1 1WB, UK
| | - Geraint Morgan
- School of Physical Sciences, The Open University, Milton Keynes, MK7 6AA, UK
| | - Nicholas Turner
- School of Pharmacy, De Montfort University, Leicester, LE2 9BH, UK.
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Arabi M, Ostovan A, Bagheri AR, Guo X, Wang L, Li J, Wang X, Li B, Chen L. Strategies of molecular imprinting-based solid-phase extraction prior to chromatographic analysis. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115923] [Citation(s) in RCA: 197] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Gospodinov A, Kunnev D. Universal Codons with Enrichment from GC to AU Nucleotide Composition Reveal a Chronological Assignment from Early to Late Along with LUCA Formation. Life (Basel) 2020; 10:life10060081. [PMID: 32516985 PMCID: PMC7345086 DOI: 10.3390/life10060081] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 05/30/2020] [Accepted: 06/03/2020] [Indexed: 12/14/2022] Open
Abstract
The emergence of a primitive genetic code should be considered the most essential event during the origin of life. Almost a complete set of codons (as we know them) should have been established relatively early during the evolution of the last universal common ancestor (LUCA) from which all known organisms descended. Many hypotheses have been proposed to explain the driving forces and chronology of the evolution of the genetic code; however, none is commonly accepted. In the current paper, we explore the features of the genetic code that, in our view, reflect the mechanism and the chronological order of the origin of the genetic code. Our hypothesis postulates that the primordial RNA was mostly GC-rich, and this bias was reflected in the order of amino acid codon assignment. If we arrange the codons and their corresponding amino acids from GC-rich to AU-rich, we find that: 1. The amino acids encoded by GC-rich codons (Ala, Gly, Arg, and Pro) are those that contribute the most to the interactions with RNA (if incorporated into short peptides). 2. This order correlates with the addition of novel functions necessary for the evolution from simple to longer folded peptides. 3. The overlay of aminoacyl-tRNA synthetases (aaRS) to the amino acid order produces a distinctive zonal distribution for class I and class II suggesting an interdependent origin. These correlations could be explained by the active role of the bridge peptide (BP), which we proposed earlier in the evolution of the genetic code.
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Affiliation(s)
- Anastas Gospodinov
- Roumen Tsanev Institute of Molecular Biology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 21, Sofia 1113, Bulgaria;
| | - Dimiter Kunnev
- Department of Molecular & Cellular Biology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
- Correspondence:
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Gan T, Li J, Xu L, Guo S, Zhao A, Sun J. Multishell Au@Ag@SiO2 nanorods embedded into a molecularly imprinted polymer as electrochemical sensing platform for quantification of theobromine. Mikrochim Acta 2020; 187:291. [DOI: 10.1007/s00604-020-04288-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 04/19/2020] [Indexed: 01/24/2023]
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37
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Paredes-Ramos M, Sabín-López A, Peña-García J, Pérez-Sánchez H, López-Vilariño JM, Sastre de Vicente ME. Computational aided acetaminophen - phthalic acid molecularly imprinted polymer design for analytical determination of known and new developed recreational drugs. J Mol Graph Model 2020; 100:107627. [PMID: 32674027 DOI: 10.1016/j.jmgm.2020.107627] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 04/21/2020] [Accepted: 04/21/2020] [Indexed: 12/22/2022]
Abstract
In recent times, abuse drug consumption rates have been increasing. In addition, authorities have detected a trend in the development of new substances expressly created to avoid legislation. These novel psychoactive substances (NPS) are non-registered formulations, closely chemically related to outlawed ones to maintain the same psychotropic effects while circumventing legal restrictions. This issue arises enormous social, sanitary, and road safety problems since there is no way to detect nor quantify these non-registered substances. The aim of this work is the development of a high selective material able to pre-concentrate and detect NPS. On that account, molecularly imprinted polymers (MIPs) designed with an imprinted cavity that matches the cathinones structural shape were proposed to detect both conventional and new cathinone derived recreational drugs. The increasing number of illicit drug modifications that is being reported requires developing a receptor valid for not only known molecules but also for incoming ones; thus, a virtual procedure must be carried out to take a step forward towards future modifications. Accordingly, a computational MIP design is proposed as the most appropriated method to effectively design this receptor. By means of molecular dynamics and molecular docking, several combinations are studied regarding their pre-polymerization complex stability but also their rebinding capacity against the proposed analytes. Hence, a phthalic acid - acetaminophen MIP is selected as the most well-suited receptor, valid for current and forthcoming cathinone recreational drugs.
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Affiliation(s)
- M Paredes-Ramos
- Laboratory of Chemistry, Technological Research Center (CIT), Universidade da Coruña (UDC), Campus de Esteiro s/n, 15403, Ferrol - A Coruña, Spain; METMED Research Group, Physical Chemistry Department, Universidade da Coruña (UDC), Campus da Zapateira s/n, 15071, A Coruña, Spain.
| | - A Sabín-López
- Laboratory of Chemistry, Technological Research Center (CIT), Universidade da Coruña (UDC), Campus de Esteiro s/n, 15403, Ferrol - A Coruña, Spain; METMED Research Group, Physical Chemistry Department, Universidade da Coruña (UDC), Campus da Zapateira s/n, 15071, A Coruña, Spain
| | - J Peña-García
- Structural Bioinformatics and High Performance Computing Research Group (BIO-HPC), Computer Engineering Department, Universidad Católica San Antonio de Murcia (UCAM), Campus de Los Jerónimos s/n, 30107, Murcia, Spain
| | - H Pérez-Sánchez
- Structural Bioinformatics and High Performance Computing Research Group (BIO-HPC), Computer Engineering Department, Universidad Católica San Antonio de Murcia (UCAM), Campus de Los Jerónimos s/n, 30107, Murcia, Spain
| | - J M López-Vilariño
- Laboratory of Chemistry, Technological Research Center (CIT), Universidade da Coruña (UDC), Campus de Esteiro s/n, 15403, Ferrol - A Coruña, Spain; Hijos de Rivera S.A.U., C/ José María Rivera Corral n°6, 15008, A Coruña, Spain
| | - M E Sastre de Vicente
- METMED Research Group, Physical Chemistry Department, Universidade da Coruña (UDC), Campus da Zapateira s/n, 15071, A Coruña, Spain
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Zhao X, Pei W, Guo R, Li X. Selective Adsorption and Purification of the Acteoside in Cistanche tubulosa by Molecularly Imprinted Polymers. Front Chem 2020; 7:903. [PMID: 32039143 PMCID: PMC6989468 DOI: 10.3389/fchem.2019.00903] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 12/13/2019] [Indexed: 12/02/2022] Open
Abstract
Acteoside (ACT) is the main component of phenylethanoid glycosides in Cistanche tubulosa, and it is extremely desirable for obtaining high purification of ACT by molecularly imprinted polymers (MIPs) from their extracts. In this study, MIPs were designed and synthetized to adsorb selectively the ACT in C. tubulosa. The effects of different functional monomers, cross-linkers, and solvents of MIPs were investigated. MIPs were studied in terms of static adsorption experiments, dynamic adsorption experiments, and selectivity experiments. The optimal functional monomer, cross-linking agent, and solvent are 4-vinylpyridine, ethylene glycol dimethylacrylate, and the mixed solvent (acetonitrile and N,N-dimethylformamide, 1:1.5, v/v), respectively. Under the optimal conditions, the synthesized MIP1 has a high adsorption performance for ACT. The adsorption capacity of MIP1 to ACT reached 112.60 mg/g, and the separation factor of ACT/echinacoside was 4.68. Because the molecularly imprinted cavities of MIP1 resulted from template molecules of ACT, it enables MIP1 to recognize selectively ACT. Moreover, the N–H groups on MIP1 can form hydrogen bonds with the hydroxyl groups on the ACT; this improves the separation factor of MIP1. The dynamic adsorption of ACT accorded with the quasi-second-order kinetics; it indicated that the adsorption process of MIP1 is the process of chemical adsorption to ACT. MIPs can be applied as a potential adsorption material to purify the active ingredients of herbal medicines.
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Affiliation(s)
- Xiaobin Zhao
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
| | - Wenjing Pei
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
| | - Ruili Guo
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
| | - Xueqin Li
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
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Gholami H, Ghaedi M, Ostovan A, Arabi M, Bagheri AR. Preparation of hollow porous molecularly imprinted and aluminum(III) doped silica nanospheres for extraction of the drugs valsartan and losartan prior to their quantitation by HPLC. Mikrochim Acta 2019; 186:702. [DOI: 10.1007/s00604-019-3794-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 09/07/2019] [Indexed: 12/15/2022]
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40
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Zhao X, Mai Y, Chen D, Zhang M, Hu H. Selective Enrichment of Clenbuterol onto Molecularly Imprinted Polymer Microspheres with Tailor-made Structure and Oxygen Functionalities. Polymers (Basel) 2019; 11:E1635. [PMID: 31658613 PMCID: PMC6835586 DOI: 10.3390/polym11101635] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/03/2019] [Accepted: 10/07/2019] [Indexed: 01/15/2023] Open
Abstract
The noxious clenbuterol misapplied as the feed additive has posed an enormous threat to humans who actively rely on the food chains with high potential of contamination by clenbuterol, such as pork and beef. It is, therefore, highly desirable to develop novel materials and strategies for dealing with the clenbuterol. Herein, functional polymer microspheres prepared by Pickering emulsion polymerization were explored for the selective enrichment of the clenbuterol, and their structure and oxygen functionalities could be tailor-made by a molecular imprinting process. The clenbuterol imprinting was adequately demonstrated to not only increase the particle size (~52 nm vs. ~42 nm) and create cavities for the accommodation of the clenbuterol molecules, but also reduce the oxygen functionalities of the resulting molecularly imprinted polymer microspheres (MIPMs) by approximately 4 at.%, which is believed to correlate with the high specificity of the MIPMs. Various characterization methods were employed to evidence these findings, including scanning electron microscopy, BET measurements, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and elemental mapping examination. More importantly, the MIPMs showed a markedly superior enrichment capability towards clenbuterol to the counterpart, that is, non-molecularly imprinted polymer microspheres (NIPMs). Compared to the NIPMs without specificity for clenbuterol, the MIPMs exhibited an impressive selectivity to clenbuterol, with the relative selectivity coefficient (k') values largely exceeding 1, thus corroborating that the useful molecular imprinting led to the generation of the binding sites complementary to the clenbuterol molecule in the size and functionalities. The MIPMs were also employed as the stationary phase to fabricate molecularly imprinting solid-phase extraction column, and the spike recovery was demonstrated to be not significantly decreased even after nine cycles. Furthermore, the reliability of the method was also evidenced through the comparison of the MIPMs prepared from different batches.
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Affiliation(s)
- Xiangyun Zhao
- Guangdong Provincial Key Laboratory of Industrial Surfactant, Guangdong Research Institute of Petrochemical and Fine Chemical Engineering, Guangzhou 510006, China.
| | - Yuliang Mai
- Guangdong Provincial Key Laboratory of Industrial Surfactant, Guangdong Research Institute of Petrochemical and Fine Chemical Engineering, Guangzhou 510006, China.
| | - Dongchu Chen
- School of Materials Science and Energy Engineering, Foshan University, Foshan, Guangdong 528000, China.
| | - Min Zhang
- School of Materials Science and Energy Engineering, Foshan University, Foshan, Guangdong 528000, China.
| | - Huawen Hu
- School of Materials Science and Energy Engineering, Foshan University, Foshan, Guangdong 528000, China.
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Roland RM, Bhawani SA, Wahi R, Ibrahim MNM. Synthesis, characterization, and application of molecular imprinting polymer for extraction of melamine from spiked milk, water, and blood serum. J LIQ CHROMATOGR R T 2019. [DOI: 10.1080/10826076.2019.1672077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Rachel Marcella Roland
- Faculty of Resource Science and Technology, Department of Chemistry, Universiti Malaysia Sarawak (UNIMAS), Kota Samarahan, Malaysia
| | - Showkat Ahmad Bhawani
- Faculty of Resource Science and Technology, Department of Chemistry, Universiti Malaysia Sarawak (UNIMAS), Kota Samarahan, Malaysia
| | - Rafeah Wahi
- Faculty of Resource Science and Technology, Department of Chemistry, Universiti Malaysia Sarawak (UNIMAS), Kota Samarahan, Malaysia
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42
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Highly selective extraction and voltammetric determination of the opioid drug buprenorphine via a carbon paste electrode impregnated with nano-sized molecularly imprinted polymer. Mikrochim Acta 2019; 186:654. [DOI: 10.1007/s00604-019-3736-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 08/02/2019] [Indexed: 01/16/2023]
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43
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Improved chiral electrochemical recognition of tryptophan enantiomers based on three‐dimensional molecularly imprinted overoxidized polypyrrole/MnO
2
/carbon felt composites. Chirality 2019; 31:917-922. [DOI: 10.1002/chir.23126] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 07/25/2019] [Accepted: 08/04/2019] [Indexed: 12/25/2022]
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Gao W, Li P, Qin S, Huang Z, Cao Y, Liu X. A highly sensitive tetracycline sensor based on a combination of magnetic molecularly imprinted polymer nanoparticles and surface plasmon resonance detection. Mikrochim Acta 2019; 186:637. [DOI: 10.1007/s00604-019-3718-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 07/31/2019] [Indexed: 12/15/2022]
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Liu G, Huang X, Li L, Xu X, Zhang Y, Lv J, Xu D. Recent Advances and Perspectives of Molecularly Imprinted Polymer-Based Fluorescent Sensors in Food and Environment Analysis. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1030. [PMID: 31323858 PMCID: PMC6669699 DOI: 10.3390/nano9071030] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 07/16/2019] [Accepted: 07/16/2019] [Indexed: 12/17/2022]
Abstract
Molecular imprinting technology (MIT), also known as molecular template technology, is a new technology involving material chemistry, polymer chemistry, biochemistry, and other multi-disciplinary approaches. This technology is used to realize the unique recognition ability of three-dimensional crosslinked polymers, called the molecularly imprinted polymers (MIPs). MIPs demonstrate a wide range of applicability, good plasticity, stability, and high selectivity, and their internal recognition sites can be selectively combined with template molecules to achieve selective recognition. A molecularly imprinted fluorescence sensor (MIFs) incorporates fluorescent materials (fluorescein or fluorescent nanoparticles) into a molecularly imprinted polymer synthesis system and transforms the binding sites between target molecules and molecularly imprinted materials into readable fluorescence signals. This sensor demonstrates the advantages of high sensitivity and selectivity of fluorescence detection. Molecularly imprinted materials demonstrate considerable research significance and broad application prospects. They are a research hotspot in the field of food and environment safety sensing analysis. In this study, the progress in the construction and application of MIFs was reviewed with emphasis on the preparation principle, detection methods, and molecular recognition mechanism. The applications of MIFs in food and environment safety detection in recent years were summarized, and the research trends and development prospects of MIFs were discussed.
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Affiliation(s)
- Guangyang Liu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Xiaodong Huang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Lingyun Li
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Xiaomin Xu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Yanguo Zhang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Jun Lv
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Donghui Xu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China.
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Eissa S, Almthen RA, Zourob M. Disposable electrochemical immunosensor array for the multiplexed detection of the drug metabolites morphine, tetrahydrocannabinol and benzoylecgonine. Mikrochim Acta 2019; 186:523. [PMID: 31292788 DOI: 10.1007/s00604-019-3646-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Accepted: 06/27/2019] [Indexed: 01/07/2023]
Abstract
Heroin, marijuana and cocaine are widely abused drugs. Their use can be readily detected by analyzing urine for the metabolites morphine (MOR), tetrahydrocannabinol (THC) or benzoylecgonine (BZC). A multiplex immunosensor is described here for detection of MOR, THC and BZC using screen printed carbon array electrodes modified with gold nanoparticles. Antibodies against MOR, THC and BZC were immobilized on eight electrodes in a sensor array simultaneously, and a competitive assay was used for the detection. The free analytes in the sample compete with bovine serum albumin-conjugated analytes for the immobilized antibodies on the sensor surface. The array is capable of detecting the three drugs simultaneously within 20-40 min. The method has a high sensitivity, with detection limits as low as 1.2, 7.0, and 8.0 pg.mL-1 for MOR, THC and BZC, respectively. Cross reactivity testing was preformed to monitor any nonspecific binding. The results revealed good selectivity. Urine samples were spiked with the 3 drugs and tested with the multiplexed immunosensor. Recovery percentages ranged between 88 to 115%. Graphical abstract Schematic presentation of the multiplexed immunosensor for drugs of abuse,viz. tetrahydrocannabinol (THC), morphine (MOR), and benzoylecgonine (BZC)) by using an array of modified electrodes.
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Affiliation(s)
- Shimaa Eissa
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, AlTakhassusi Rd., Riyadh, 11533, Saudi Arabia
| | - Rema A Almthen
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, AlTakhassusi Rd., Riyadh, 11533, Saudi Arabia
| | - Mohammed Zourob
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, AlTakhassusi Rd., Riyadh, 11533, Saudi Arabia.
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Lima Filho MMS, Correa AA, Silva FDC, Carvalho FAO, Mascaro LH, Oliveira TMBF. A glassy carbon electrode modified with silver nanoparticles and functionalized multi-walled carbon nanotubes for voltammetric determination of the illicit growth promoter dienestrol in animal urine. Mikrochim Acta 2019; 186:525. [PMID: 31292777 DOI: 10.1007/s00604-019-3645-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 06/27/2019] [Indexed: 11/28/2022]
Abstract
An electroanalytical method for determining dienestrol (DNL) in bovine urine samples is described. A glassy carbon electrode (GCE) modified with silver nanoparticles and functionalized multi-walled carbon nanotubes was used as working sensor. The modified GCE displays substantial analytical improvements including an amplified signal, fast electron transfer kinetics, and resistance to fouling. The irreversible oxidation signal of DNL is pH-dependent. Best reactivity is found at pH 3.0, where a typical anodic peak is recorded at 0.8 V (vs. Ag/AgCl). Square-wave voltammetry revealed a 8.4 nM detection limit (1.9 μg L-1), good repeatability and reproducibility (RSDs <5.0%), and good accuracy (93.2-99.4% recovery from spiked samples). The modified electrode is highly stable even in the presence of ions (Na+ and K+), urea and uric acid. The electrochemical sensor fulfills all requisites to be used as forensic device in surveillance of illegal livestock practices. Graphical abstract Schematic presentation of the construction of a glassy carbon electrode modified with silver nanoparticles and functionalized multi-walled carbon nanotubes. This sensor exhibited a remarkable performance for voltammetric detection of the illicit growth promoter dienestrol in animal urine.
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Affiliation(s)
- Manoel M S Lima Filho
- Faculdade de Química, Instituto de Ciências Exatas, Universidade Federal do Sul e Sudeste do Pará, Folha 17, Quadra 04, Lote Especial, Marabá, PA, 68505-080, Brazil
| | - Alessandra A Correa
- Departamento de Química, Universidade Federal de São Carlos, Rodovia Washington Luis, CP 676, São Carlos, SP, 13565-905, Brazil
| | - Francisco D C Silva
- Centro de Ciência e Tecnologia, Universidade Federal do Cariri, Rua Tenente Raimundo Rocha, 1639, Cidade Universitária, Juazeiro do Norte, CE, 63048-080, Brazil
| | - Francisco A O Carvalho
- Faculdade de Química, Instituto de Ciências Exatas, Universidade Federal do Sul e Sudeste do Pará, Folha 17, Quadra 04, Lote Especial, Marabá, PA, 68505-080, Brazil
| | - Lúcia H Mascaro
- Departamento de Química, Universidade Federal de São Carlos, Rodovia Washington Luis, CP 676, São Carlos, SP, 13565-905, Brazil
| | - Thiago M B F Oliveira
- Centro de Ciência e Tecnologia, Universidade Federal do Cariri, Rua Tenente Raimundo Rocha, 1639, Cidade Universitária, Juazeiro do Norte, CE, 63048-080, Brazil.
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Liu X, Wang Y, Li L, Li R. Synthesis and characterization of azoxystrobin hydrophilic molecularly imprinted microspheres. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2019. [DOI: 10.1080/10601325.2019.1607751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Xinxin Liu
- College of resources and Environment Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Yan Wang
- College of resources and Environment Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Ling Li
- College of resources and Environment Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Ranhong Li
- College of resources and Environment Science, Jilin Agricultural University, Changchun, Jilin, China
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Zhao C, Hong CY, Lin ZZ, Chen XM, Huang ZY. Detection of Malachite Green using a colorimetric aptasensor based on the inhibition of the peroxidase-like activity of gold nanoparticles by cetyltrimethylammonium ions. Mikrochim Acta 2019; 186:322. [PMID: 31049692 DOI: 10.1007/s00604-019-3436-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Accepted: 04/11/2019] [Indexed: 12/16/2022]
Abstract
A specific and sensitive colorimetric aptasensor is described for the determination of Malachite Green (MG). It is exploiting the inhibition of the peroxidase-like activity of gold nanoparticles (AuNPs). The AuNPs act as enzyme mimics that catalyze the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) by H2O2 to yield a dark blue solution. The catalytic activity is inhibited by hexadecyl trimethyl ammonium ion, specifically by cetyltrimethylammonium bromide (CTAB), which causes the aggregation of AuNPs. If a (negatively charged) RNA-aptamer against MG is added, it binds to the positively charged CTAB and prevents aggregation. This enhances the enzyme mimicking activity of the AuNPs and leads to the formation of a dark blue solution. However, in the presence of MG, the aptamer binds to MG, and leads to the aggregation of AuNPs again. The aggregated AuNPs possess a light blue color. A colorimetric method (best performed at 650 nm) was work out that can detect MG in a concentration range from 10 to 500 nmol L-1. The detection limit based on 3σ/k criterion is 1.8 nmol L-1. The assay is highly specific and accurate. Recoveries from spiked real samples (aquaculture water) ranged from 80% to 120%. Graphical abstract Based on the inhibition of cetyltrimethyal ammonium ion and the enhancement of RNA-aptamer, the differences of the peroxidase-like activities of AuNPs can be greatly enlarged with and without MG, by which a colorimetric aptasensor can be constructed for the detection of Malachite Green (MG).
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Affiliation(s)
- Chen Zhao
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Cheng-Yi Hong
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Zheng-Zhong Lin
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China.,Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, Xiamen, 361021, Fujian Province, China
| | - Xiao-Mei Chen
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Zhi-Yong Huang
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China.
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50
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Zhou T, Ding L, Che G, Jiang W, Sang L. Recent advances and trends of molecularly imprinted polymers for specific recognition in aqueous matrix: Preparation and application in sample pretreatment. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.02.028] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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